689
WWUS76 KLOX 261754
NPWLOX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1054 AM PDT WED AUG 26 2026
CAZ038-088-351>353-356>358-369>376-378>383-548-290300-
/O.CON.KLOX.XH.W.0006.000000T0000Z-260829T0300Z/
CUYAMA VALLEY-SANTA CLARITA VALLEY-SANTA YNEZ MOUNTAINS WESTERN
RANGE-SANTA YNEZ MOUNTAINS EASTERN RANGE-SANTA BARBARA COUNTY
INTERIOR MOUNTAINS-LAKE CASITAS-OJAI VALLEY-CENTRAL VENTURA
COUNTY VALLEYS-WESTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-
EASTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-CALABASAS AND
AGOURA HILLS-WESTERN SAN FERNANDO VALLEY-EASTERN SAN FERNANDO
VALLEY-SOUTHEASTERN VENTURA COUNTY VALLEYS-SANTA SUSANA MOUNTAINS-
SOUTHERN VENTURA COUNTY MOUNTAINS-INTERSTATE 5 CORRIDOR-WESTERN
SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR-EASTERN SAN GABRIEL
MOUNTAINS-WESTERN ANTELOPE VALLEY FOOTHILLS-EASTERN ANTELOPE
VALLEY FOOTHILLS-ANTELOPE VALLEY-LOS ANGELES COUNTY SAN GABRIEL
VALLEY-
INCLUDING THE CITIES OF NEWBURY PARK, POMONA, LANCASTER, WESTLAKE
VILLAGE, BIG PINE MOUNTAIN, VAN NUYS, BURBANK, PYRAMID LAKE,
GLENDALE, THE ANGELES CREST HIGHWAY, WARM SPRINGS, MILL CREEK,
FILLMORE, LAKE LOS ANGELES, SIMI VALLEY, GORMAN, SANTA CLARITA,
LLANO, PALMDALE, MOORPARK, SANTA PAULA, THOUSAND OAKS, SAN MARCOS
PASS, LA CANADA FLINTRIDGE, LAKE CASTAIC, PIRU, NORTHRIDGE, TEJON
PASS, MALIBU BOWL, VALYERMO, ROSE VALLEY, OAK VIEW, WOODLAND HILLS,
EAST LOS ANGELES, MONTECITO HILLS, ELIZABETH LAKE, PASADENA,
UNIVERSAL CITY, MOUNT WILSON, MOUNT BALDY, TOPANGA, OAT MOUNTAIN, EL
MONTE, ACTON, NEW CUYAMA, OJAI, CHATSWORTH, MATILIJA, SUNLAND,
WRIGHTWOOD, NEWHALL, VALENCIA, MALIBU LAKE, LAKE PALMDALE, TOPATOPA
MOUNTAINS, PEARBLOSSOM, FIGUEROA MOUNTAIN, SAN GABRIEL, SAN RAFAEL
MOUNTAIN, AND MEINERS OAKS
1054 AM PDT WED AUG 26 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY
* WHAT...HOT DAYTIME CONDITIONS WITH HIGH TEMPERATURES BETWEEN 100
AND 110 COMMON. WARM OVERNIGHT CONDITIONS WILL BRING LESS RELIEF
THAN USUAL.
* WHERE...MOST MOUNTAINS AND VALLEYS OF LOS ANGELES, VENTURA, AND
SANTA BARBARA COUNTIES.
* WHEN...UNTIL 8 PM PDT FRIDAY.
* IMPACTS...THERE IS A HIGH RISK FOR DANGEROUS HEAT ILLNESS,
ESPECIALLY FOR SENSITIVE GROUPS LIKE THE VERY YOUNG, THE VERY OLD,
THOSE WITHOUT AIR CONDITIONING, AND THOSE ACTIVE OUTDOORS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. DO NOT LEAVE YOUNG
CHILDREN AND PETS IN UNATTENDED VEHICLES. LIMIT STRENUOUS ACTIVITIES
TO EARLY MORNING OR EVENING HOURS. TAKE ACTION WHEN YOU SEE SYMPTOMS
OF HEAT EXHAUSTION.
CAZ087-349-350-354-355-362-366>368-290300-
/O.CON.KLOX.XH.W.0006.000000T0000Z-260829T0300Z/
CATALINA AND SANTA BARBARA ISLANDS-SANTA BARBARA COUNTY
SOUTHWESTERN COAST-SANTA BARBARA COUNTY SOUTHEASTERN COAST-
VENTURA COUNTY BEACHES-VENTURA COUNTY INLAND COAST-MALIBU COAST-
LOS ANGELES COUNTY BEACHES-PALOS VERDES HILLS-LOS ANGELES COUNTY
INLAND COAST INCLUDING DOWNTOWN LOS ANGELES-
INCLUDING THE CITIES OF POINT MUGU, LONG BEACH, SANTA MONICA, DOWNEY,
CULVER CITY, MALIBU, GAVIOTA, PACIFIC PALISADES, SANTA BARBARA,
TORRANCE, EAST VENTURA, OXNARD, PORT HUENEME, RANCHO PALOS VERDES,
VENTURA, AVALON, REDONDO BEACH, BEVERLY HILLS, LAX, REFUGIO STATE
BEACH, EL CAPITAN STATE BEACH, NORWALK, MONTECITO, HOLLYWOOD, GOLETA,
COMPTON, JALAMA BEACH, CAMARILLO, AND CARPINTERIA
1054 AM PDT WED AUG 26 2026
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY
* WHAT...HOT DAYTIME CONDITIONS WITH HIGH TEMPERATURES BETWEEN 92 AND
102 COMMON. WARM OVERNIGHT CONDITIONS WILL BRING LESS RELIEF THAN
USUAL.
* WHERE...MOST COASTAL AREAS OF LOS ANGELES, VENTURA, AND SOUTHERN
SANTA BARBARA COUNTIES
* WHEN...UNTIL 8 PM PDT FRIDAY.
* IMPACTS...THERE IS A HIGH RISK FOR DANGEROUS HEAT ILLNESS,
ESPECIALLY FOR SENSITIVE GROUPS LIKE THE VERY YOUNG, THE VERY OLD,
THOSE WITHOUT AIR CONDITIONING, AND THOSE ACTIVE OUTDOORS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. DO NOT LEAVE YOUNG
CHILDREN AND PETS IN UNATTENDED VEHICLES. LIMIT STRENUOUS ACTIVITIES
TO EARLY MORNING OR EVENING HOURS. TAKE ACTION WHEN YOU SEE SYMPTOMS
OF HEAT EXHAUSTION.
CAZ341-347-348-290300-
/O.EXT.KLOX.HT.Y.0015.000000T0000Z-260829T0300Z/
SAN LUIS OBISPO COUNTY INLAND CENTRAL COAST-SANTA BARBARA COUNTY
INLAND CENTRAL COAST-SANTA YNEZ VALLEY-
INCLUDING THE CITIES OF LOPEZ LAKE, BUELLTON, LOS OLIVOS, SAN LUIS
OBISPO, SANTA MARIA, SANTA YNEZ, NIPOMO, SOLVANG, AND LAKE CACHUMA
1054 AM PDT WED AUG 26 2026
..HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT FRIDAY
* WHAT...HOT DAYTIME CONDITIONS WITH HIGH TEMPERATURES BETWEEN 90 AND
100 COMMON.
* WHERE...SAN LUIS OBISPO COUNTY INLAND CENTRAL COAST, SANTA BARBARA
COUNTY INLAND CENTRAL COAST, AND SANTA YNEZ VALLEY.
* WHEN...UNTIL 8 PM PDT FRIDAY.
* IMPACTS...THERE IS A HIGH RISK FOR DANGEROUS HEAT ILLNESS FOR
SENSITIVE GROUPS LIKE THE VERY YOUNG, THE VERY OLD, THOSE WITHOUT
AIR CONDITIONING, AND THOSE ACTIVE OUTDOORS.
* ADDITIONAL DETAILS...THIS ADVISORY HAS BEEN EXTENDED TO NOW END ON
FRIDAY. WHILE TEMPERATURES WILL PEAK THROUGH THURSDAY, HUMIDITIES
WILL RISE ON FRIDAY LARGELY MITIGATING ANY RELIEF FROM THE HEAT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. DO NOT LEAVE YOUNG
CHILDREN AND PETS IN UNATTENDED VEHICLES. LIMIT STRENUOUS ACTIVITIES
TO EARLY MORNING OR EVENING HOURS. TAKE ACTION WHEN YOU SEE SYMPTOMS
OF HEAT EXHAUSTION.
CAZ342>345-290300-
/O.CON.KLOX.HT.Y.0014.000000T0000Z-260829T0300Z/
SANTA LUCIA MOUNTAINS-SOUTHERN SALINAS VALLEY-SAN LUIS OBISPO
COUNTY INTERIOR VALLEYS-SAN LUIS OBISPO COUNTY MOUNTAINS-
INCLUDING THE CITIES OF CARRIZO PLAIN, CRESTON, PASO ROBLES, HEARST
CASTLE, SAN MIGUEL, CALIENTE RANGE, LA PANZA RANGE, LAKE NACIMIENTO,
SHANDON, IRISH HILLS, SANTA MARGARITA LAKE, ATASCADERO, AND TEMPLETON
1054 AM PDT WED AUG 26 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY
* WHAT...HOT DAYTIME CONDITIONS WITH HIGH TEMPERATURES BETWEEN 95 AND
105 COMMON.
* WHERE...SAN LUIS OBISPO COUNTY INTERIOR VALLEYS, SAN LUIS OBISPO
COUNTY MOUNTAINS, SANTA LUCIA MOUNTAINS, AND SOUTHERN SALINAS
VALLEY.
* WHEN...UNTIL 8 PM PDT FRIDAY.
* IMPACTS...THERE IS A HIGH RISK FOR DANGEROUS HEAT ILLNESS FOR
SENSITIVE GROUPS LIKE THE VERY YOUNG, THE VERY OLD, THOSE WITHOUT
AIR CONDITIONING, AND THOSE ACTIVE OUTDOORS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. DO NOT LEAVE YOUNG
CHILDREN AND PETS IN UNATTENDED VEHICLES. LIMIT STRENUOUS ACTIVITIES
TO EARLY MORNING OR EVENING HOURS. TAKE ACTION WHEN YOU SEE SYMPTOMS
OF HEAT EXHAUSTION.
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